Wednesday, January 19, 2005

The Microstates of Quantum Gravity

Science is the attempt to make the chaotic diversity of our sense-experience correspond to a logically uniform system of thought

-Albert Einstein



Fig.1: Generally Grouping Order increases the density of objects within a frame of reference, resulting in a more pronounced single object.


To see beyond what we have taken for granted it is important that you understand how we got to the way we are?:) Above, the diagram helps you too orientate these views in accordance with established sciences.

A lot of times if you do not understand the direction the Microstates are taking us, then it would not make much sense in understanding the manifestation of one end of the spectrum, to solids things, to have explored the other end of the spectrum to the greater potential of dimensional perspectives?

John Baez:
Indeed, now that the Standard Model seems to be giving a spectacularly accurate description of all the forces *except* gravity, quantum gravity is one of the few really big mysteries left when it comes to working out the basic laws of physics --- or at least, one of the few *obvious* big mysteries. (As soon as one mystery starts becoming less mysterious, new mysteries tend to become more visible.) But back when particle physics was big business, only a few rather special sorts of people were seriously devoted to quantum gravity. These people seem to be often more than averagely interested in philosophy, often more interested in mathematics (which is one of the few solid handholds in this slippery subject), and always more resigned to the fact that Nature does not reveal all her secrets very readily


It is with great desire that anyone of us would like to find a discription and mode of thinking that would help establish a geometry that would arise from such states, that it becomes very diffiuclt to know if such standings in regards to Loop will directly explain how GR would have ever came to be, while strings has denoted our comprehension of the world the way it is, as being derived from some other state of existance. A Microstate one?



Quantum gravity is the field devoted to finding the microstructure of spacetime. Is space continuous? Does spacetime geometry make sense near the initial singularity? Deep inside a black hole? These are the sort of questions a theory of quantum gravity is expected to answer. The root of our search for the theory is a exploration of the quantum foundations of spacetime. At the very least, quantum gravity ought to describe physics on the smallest possible scales - expected to be 10-35 meters. (Easy to find with dimensional analysis: Build a quantity with the dimensions of length using the speed of light, Planck's constant, and Newton's constant.) Whether quantum gravity will yield a revolutionary shift in quantum theory, general relativity, or both remains to be seen


But let's remember something very important about such microstates and the geometry that Brian Greene is referring too. If you do not have this idea set in mind about how we are directed to those same microstates, what is at odds here between loop and strings for consideration?

This has to be identidified for lay people where such generalizations and comments from those who are trying to build our views, understand well, that they arrive from an idealization that might have had it's spokesperson stand for a extreme, or the other, all the while leaving lay people in the dust, while the sanctity of each area continuously is debated?

Such polarizations of views far two distint from each other is a statement that Smolin reminds us that his area is most defintiely trying as well to speak about qunatum gravity. But of course I must continue on froma statement from Greene here so that sch microstates and its geometry is understood. What is quantum geometry?

The Elegant Universe, by Brian Greene, pg 231 and Pg 232

"But now, almost a century after Einstein's tour-de-force, string theory gives us a quantum-mechanical discription of gravity that, by necessity, modifies general relativity when distances involved become as short as the Planck length. Since Reinmannian geometry is the mathetical core of genral relativity, this means that it too must be modified in order to reflect faithfully the new short distance physics of string theory. Whereas general relativity asserts that the curved properties of the universe are described by Reinmannian geometry, string theory asserts this is true only if we examine the fabric of the universe on large enough scales. On scales as small as planck length a new kind of geometry must emerge, one that aligns with the new physics of string theory. This new geometry is called, quantum geometry."


I am setting up for the next entry. In it I am trying to pierce the veil that is driving such polarizations into there respective veiws, in regard to LQG or Strings respectively. It is troubling indeed that I as a outsider have to look hard and long for why this has materialized? That of course I would like to instigate others to move forward in a most appropriate "dialogos to remember," what each is working on.

Can the mirror world explain the ortho-positronium lifetime puzzle? by R. Foota∗ and S. N. Gninenkob†

We suggest that the discrepant lifetime measurements of ortho-positronium can be explained by ortho-positronium oscillations into mirror ortho-positronium. This explanation can be tested in future vacuum experiments.

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